Experience the power of clean, fresh air with our revolutionary Dual Filter™. Combining an H14 HEPA filter and activated carbon filter, this dynamic duo works together to eliminate viruses, bacteria, bad odors, and harmful gases like tobacco smoke and formaldehyde. The H14 HEPA filter boasts a higher density than traditional filters, ensuring maximum particle removal per air change.Feel confident knowing your air is pure and safe for you and your loved ones. And with replacement needed only every 8-12 months, maintaining optimal cleanliness has never been easier. Join the many satisfied customers who trust Roger Big's recommendation of 2 x Dual Filter™ for ultimate air purification. Breathe easy - upgrade to Dual Filter™ today!